Home / 759,443.07-1,047,537.66-487,079.56

Finding the Fourth Proportional to 759,443.07, 1,047,537.66 and 487,079.56

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Solution

The fourth proportional to 759,443.07, 1,047,537.66 and 487,079.56 is: 671,853.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,443.07 : 1,047,537.66 = 487,079.56 : x
  2. Step 2: Convert to fraction form
    759,443.07/1,047,537.66 = 487,079.56/x
  3. Step 3: Cross multiply
    759,443.07x = 1,047,537.66 × 487,079.56
  4. Step 4: Simplify right side
    759,443.07x = 510,234,182,516.23
  5. Step 5: Solve for x
    x = 510,234,182,516.23/759,443.07
  6. Step 6: Final answer
    x = 671,853.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.